<template>
  <div class="box">
    <div v-for="index in picCount" :key="index" class="user-info-head" @click="editCropper(index - 1)"
      :style="{ height: props.height + 'px', lineHeight: props.height + 'px' }">
      <img :src="filePathList[index - 1]" class="img-circle img-lg" v-if="filePathList[index - 1]">
      <!-- <img :src="typeId == 21? '/src/assets/images/moren.png': '/src/assets/images/facialPhotos.png'" class="img-circle img-lg" v-else/> -->
      <img :src="typeId == 21 ? moren : facialPhotos" class="img-circle img-lg" v-else />
      <div :class="filePathList[index - 1] ? '' : 'cover'" />
    </div>

    <el-dialog :class="'el-dialog-theme3'" :title="title" v-model="open" width="800px" append-to-body
      @opened="modalOpened" @close="closeDialog" draggable :close-on-click-modal="false">
      <el-row>
        <el-col :xs="24" :md="12" :style="{ height: '350px' }">
          <vue-cropper ref="cropper" :img="options.img" :info="true" :autoCrop="options.autoCrop"
            :autoCropWidth="options.autoCropWidth" :autoCropHeight="options.autoCropHeight" :fixedBox="options.fixedBox"
            :outputType="options.outputType" @realTime="realTime" v-if="visible" />
        </el-col>
        <el-col :xs="24" :md="12" :style="{ height: '350px' }" style="position: relative;">
          <div class="avatar-upload-preview" style="left: 50% !important;transform: translate(-50%, -50%);"
            :style="typeId == 21 ? 'width: 70px; height:35px; border-radius: 0%; !important;' : 'width: 200px; height:200px'">
            <img :src="options.previews.url" :style="options.previews.img" />
          </div>
        </el-col>
      </el-row>
      <br />
      <el-row>
        <el-col :lg="2" :md="2">
          <el-upload action="#" :http-request="requestUpload" :show-file-list="false" :before-upload="beforeUpload">
            <el-button>
              选择
              <el-icon class="el-icon--right">
                <Upload />
              </el-icon>
            </el-button>
          </el-upload>
        </el-col>
        <el-col :lg="{ span: 1, offset: 2 }" :md="2">
          <el-button icon="Plus" @click="changeScale(1)"></el-button>
        </el-col>
        <el-col :lg="{ span: 1, offset: 1 }" :md="2">
          <el-button icon="Minus" @click="changeScale(-1)"></el-button>
        </el-col>
        <el-col :lg="{ span: 1, offset: 1 }" :md="2">
          <el-button icon="RefreshLeft" @click="rotateLeft()"></el-button>
        </el-col>
        <el-col :lg="{ span: 1, offset: 1 }" :md="2">
          <el-button icon="RefreshRight" @click="rotateRight()"></el-button>
        </el-col>
        <el-col :lg="{ span: 2, offset: 6 }" :md="2">
          <el-button type="success" @click="uploadImg">提 交</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>
    
<script setup>
import "vue-cropper/dist/index.css";
import { VueCropper } from "vue-cropper";
import { uploadImageAPI, showImageAPI } from "@/api/resource/instrumentItem"
import { ElMessage } from 'element-plus'
import facialPhotos from '@/assets/images/facialPhotos.png'
import moren from '@/assets/images/moren.png'


const { proxy } = getCurrentInstance();

const props = defineProps({
  userId: {
    type: String,
  },
  typeId: {
    type: Number
  },
  height: {
    type: Number
  }
})

const open = ref(false);
const visible = ref(false);
const title = ref("修改图片");
const filePathList = ref([])
const picCount = ref(6);
const selectedIndex = ref(-1);
const imageList = ref([])
//图片裁剪数据
let options = reactive({
  // img: "", // 裁剪图片的地址
  autoCrop: true, // 是否默认生成截图框
  autoCropWidth: props.typeId == 21 ? 70 : 200, // 默认生成截图框宽度
  autoCropHeight: props.typeId == 21 ? 35 : 200, // 默认生成截图框高度
  fixedBox: true, // 固定截图框大小 不允许改变
  outputType: "png", // 默认生成截图为PNG格式
  previews: {} //预览数据
});

watch(
  () => props.userId,
  () => {
    if (props.userId) {
      options.userId = props.userId;
      options.typeId = props.typeId;
      getImageList()
    } else {
      delete options.userId;
      delete options.typeId;
      delete options.fileId;
      delete options.img;
    }
  }
)

const getImageList = async () => {
  const { data: res } = await showImageAPI({ groupId: props.userId, typeId: props.typeId })
  imageList.value = res
  picPreivew()
}

// 回显图片
async function picPreivew() {
  filePathList.value = []
  for (let i = 0; i < picCount.value; i++) {
    if (!imageList.value[i]?.fileId) return
    proxy.$download.previewPicById(imageList.value[i]?.fileId)
      .then((resp) => {
        filePathList.value.push(resp)
      })
  }
}

/** 编辑头像 */
function editCropper(index) {
  selectedIndex.value = index;
  open.value = true;
  options.img = filePathList.value[index]
  options.fileId = imageList.value[index]?.fileId
}

/** 打开弹出层结束时的回调 */
function modalOpened() {
  visible.value = true;
}

/** 覆盖默认上传行为 */
function requestUpload() { }

/** 向左旋转 */
function rotateLeft() {
  proxy.$refs.cropper.rotateLeft();
}

/** 向右旋转 */
function rotateRight() {
  proxy.$refs.cropper.rotateRight();
}

/** 图片缩放 */
function changeScale(num) {
  num = num || 1;
  proxy.$refs.cropper.changeScale(num);
}

/** 上传预处理 */
function beforeUpload(file) {
  if (file.type.indexOf("image/") == -1) {
    proxy.$modal.msgError("文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。");
  } else {
    const reader = new FileReader();
    reader.readAsDataURL(file);
    reader.onload = () => {
      options.img = reader.result;
    };
  }
}

/** 上传图片 */
function uploadImg() {
  proxy.$refs.cropper.getCropBlob(data => {
    let formData = new FormData();
    formData.append("file", data);
    formData.append("groupId", options.userId)
    formData.append("typeId", options.typeId)

    if (options.fileId) {
      formData.append("fileId", options.fileId)
    }

    uploadImageAPI(formData).then(response => {
      open.value = false;
      proxy.$download.previewPicById(response.data.fileId)
        .then((resp) => {
          if (selectedIndex.value >= filePathList.value.length)//当前操作是上传新图片
            filePathList.value.push(resp);
          else//当前操作是修改图片
            filePathList.value[selectedIndex.value] = resp;
          options.img = resp
          options.fileId = response.data.fileId;
          ElMessage.success("上传成功");
          visible.value = false;
        }).catch(err => {
          ElMessage.error(err)
          visible.value = false;
        });
    })
  })
}

/** 实时预览 */
function realTime(data) {
  options.previews = data;
}

/** 关闭窗口 */
function closeDialog() {
  options.previews = {};
  options.visible = false;
}

defineExpose({
  picPreivew,
  getImageList
})
</script>
    
<style lang='scss' scoped>
.user-info-head {
  position: relative;
  display: inline-block;
}

.user-info-head .cover::after {
  content: "+";
  display: inline-block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
  color: #999;
  font-size: 35px;
}

.user-info-head:hover:after {
  content: "+";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  color: #eee;
  background: rgba(0, 0, 0, 0.5);
  font-size: 35px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  cursor: pointer;
}

.img-lg {
  height: 100%;
  border-radius: 3px !important;
  text-align: center;
}

.box {
  display: flex;
  justify-content: space-around;
}
</style>
